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	Geochemical characteristics of ore-forming fluids and genesis of Hongshan copper deposit in northwestern Yunnan Province.
	Li WenChang; Wang KeYong; Yin GuangHou; Qin DanHe; Yu HaiJun; Xue ShunRong; Wan Duo
发表日期	2013
ISSN	1000-0569
起始页码	270
结束页码	282
卷号	29 期号:1
英文摘要	The Hongshan copper deposit is a large porphyry-skarn type polymetallic deposit in northwestern Yunnan Province. It occurred in quartz diorite porphyry of Indo-Chinese Period and quartz monzonite porphyry of Yanshanian Period as well as their neighbouring wall rocks. The formation of it experienced superimposition of mutiphases/stages hydrothermal mineralization. Comprehensive study on petrography, microthermometry and carbon-hydrogen-oxygen isotope of fluid inclusions showed that the ore-forming fluids of early metallogenic stages are of medium to high temperature,high salinity NaCl-H2O type solutions and mainly came from arc magmatism of Indo-Chinese Period, they were responsible for the formation of skarn type mineralization. The ore-forming fluids of later metallogenic stages are of medium to high temperature, high salinity NaCl-CO2-H2O type solutions and mainly came from the buried granitic magmatism of post orogenic extension environment, and they played important role in the formation of porphyry type Cu, Mo and relevant Pb, Zn mineralization. So the Hongshan copper deposit is of superimposed poyphyry-skarn type deposit that originated from the metallogenic superimposition of two phases of magmatic hydrothermal fluids.
英文关键词	Ore-forming fluid; Geochemical characteristics; Ore genesis; Hongshan copper deposit; Northwestern Yunnan Province
WOS研究方向	Geology
WOS类目	Geology
来源期刊	ACTA PETROLOGICA SINICA
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/158619
作者单位	Li, WC (corresponding author), Yunnan Geol Survey, Kunming 650051, Peoples R China.
推荐引用方式 GB/T 7714	Li WenChang,Wang KeYong,Yin GuangHou,et al. Geochemical characteristics of ore-forming fluids and genesis of Hongshan copper deposit in northwestern Yunnan Province.[J],2013,29(1).
APA	Li WenChang.,Wang KeYong.,Yin GuangHou.,Qin DanHe.,Yu HaiJun.,...&Wan Duo.(2013).Geochemical characteristics of ore-forming fluids and genesis of Hongshan copper deposit in northwestern Yunnan Province..ACTA PETROLOGICA SINICA,29(1).
MLA	Li WenChang,et al."Geochemical characteristics of ore-forming fluids and genesis of Hongshan copper deposit in northwestern Yunnan Province.".ACTA PETROLOGICA SINICA 29.1(2013).